High-strength half shaft bracket for new energy automobile

Abstract

The utility model relates to the technical field of half shaft supports, in particular to a high-strength half shaft support for a new energy automobile, which comprises a transmission shaft, a spline shaft, a ball cage component, an elastic coupler and a hub bearing. A dustproof sleeve is sleeved on the hub bearing, a flange plate is connected to the other end of the hub bearing, a plurality of mounting holes are formed in the flange plate, a retainer is connected to the flange plate, a star-shaped sleeve is connected to the retainer, and a gear is connected to the spline shaft. Through the arranged ball cage assembly, power is transmitted to the hub shaft head through the transmission shaft, and therefore the tire is driven to move forwards or backwards; through the arrangement of the dustproof sleeve and the rubber sheath, the cable has the effects of acid and alkali resistance, wear resistance, tensile strength and tear resistance, can bear the temperature change in the range of minus 0 DEG C to above zero DEG C, does not generate cracks, and also can bear erosion possibly caused by butter.

Description

Technical Field

[0001] The utility model relates to the technical field of half-axle brackets, in particular to a high-strength half-axle bracket for new energy vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as a power source (or use conventional vehicle fuels and adopt new vehicle power devices), integrate advanced technologies in vehicle power control and drive, and form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, and hydrogen engine vehicles. Axle brackets play an important role in new energy vehicles.

[0003] After searching, the Chinese patent publication number CN214727940U discloses a high-strength half-axle bracket for new energy vehicles, including a bracket body, a fixed block and a positioning assembly, the fixed block is placed on the bracket body, the positioning assembly includes a positioning block, an extension groove, an extension block, and a positioning groove, the surface of the bracket body is provided with a positioning groove, and the bottom of the positioning groove is provided with symmetrically distributed extension blocks, and the bottom of the fixed block is provided with a positioning block inserted into the positioning groove.

[0004] The above patent has the following shortcomings: due to the excessive heat generated during the driving of the car, the material of the general protective components cannot meet the requirements, which can easily cause cracks in the protected parts and affect their service life. In view of this, we propose a high-strength half-axle bracket for new energy vehicles to solve the problems raised in the background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a high-strength half-axle bracket for new energy vehicles to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-strength half-axle bracket for new energy vehicles, comprising: a transmission shaft, a spline shaft, a ball cage assembly, an elastic coupling, and a wheel hub bearing;

[0008] The spline shaft is connected to one side of the transmission shaft;

[0009] The ball cage assembly is connected to the other side of the transmission shaft;

[0010] The elastic coupling is connected to the ball cage assembly;

[0011] The hub bearing is connected to the elastic coupling.

[0012] Through the provided ball cage assembly, power is transmitted from the transmission shaft to the wheel hub shaft head, thereby driving the tire to move forward or backward.

[0013] Preferably, a dust cover is provided on the hub bearing.

[0014] The dust cover is acid and alkali resistant, wear resistant, tensile resistant and tear resistant, and can also withstand the erosion that may be caused by butter.

[0015] Preferably, the other end of the dust cover is connected to a rubber sheath.

[0016] The rubber sleeve is provided to protect the connection between the hub bearing and the flange, thereby increasing the service life of the internal parts.

[0017] Preferably, the other end of the wheel hub bearing is connected to a flange, and the flange is provided with a plurality of mounting holes.

[0018] The connection is fixed by threading the flange at the connection point through the multiple mounting holes.

[0019] Preferably, a retaining frame is connected to the flange.

[0020] The retaining rack is set to keep the rolling elements at a suitable distance to avoid contact between them and reduce friction.

[0021] Preferably, a star-shaped sleeve is connected to the retaining frame.

[0022] By providing a star-shaped sleeve, the rolling elements can be normally guided in the no-load area to avoid damaging sliding.

[0023] Preferably, a gear is connected to the spline shaft.

[0024] Through the set gears, it is connected to the next half-axle bracket to form a complete bracket.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] 1. Through the set ball cage assembly, and the universal characteristics of the ball cage, the power is transmitted from the transmission shaft to the wheel hub shaft head, so that the tire can be driven forward or backward;

[0027] 2. The dust cover and rubber cover are acid and alkali resistant, wear resistant, tensile resistant and tear resistant. They can withstand temperature changes from below zero to above zero degrees Celsius without cracking, and can also withstand the erosion caused by butter.

[0028] 3. The star-shaped sleeve is connected to the cage in a rolling manner, so that the rolling elements are kept at a suitable distance to avoid contact with each other, reduce friction, and evenly disperse the rolling elements, so that the rolling elements can be guided normally in the no-load area to avoid destructive sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 It is a structural schematic diagram of the left view in the utility model;

[0031] Figure 3 It is a schematic diagram of the structure of the side view in the utility model;

[0032] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0033] In the figure: 1. Drive shaft; 2. Spline shaft; 3. Ball cage assembly; 4. Elastic coupling; 5. Hub bearing; 6. Dust cover; 7. Rubber cover; 8. Flange; 9. Cage; 10. Star sleeve; 11. Mounting hole; 12. Gear. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In addition, in the description of the present invention, “plurality” means two or more than two, unless otherwise clearly and specifically defined.

[0038] In the prior art, since too much heat is generated during the driving of the car, the material of the general protective component cannot meet the requirements, which easily causes cracks in the protected parts and shortens their service life.

[0039] like Figure 1-4 As shown, a high-strength half-axle bracket for new energy vehicles includes: a transmission shaft 1, a spline shaft 2, a ball cage assembly 3, an elastic coupling 4, and a wheel hub bearing 5;

[0040] The spline shaft 2 is connected to one side of the transmission shaft 1;

[0041] The ball cage assembly 3 is connected to the other side of the transmission shaft 1;

[0042] The elastic coupling 4 is connected to the ball cage assembly 3;

[0043] The hub bearing 5 is connected to the elastic coupling 4 .

[0044] Specifically, by setting up the ball cage assembly 3, which is composed of steel balls, a ball cage frame, etc., the power is transmitted from the transmission shaft 1 to the hub shaft head through the universal characteristics of the ball cage, thereby driving the tire to move forward or backward.

[0045] like Figure 4 As shown, a dust cover 6 is provided on the hub bearing 5.

[0046] Specifically, the dust cover 6 is provided, and the material is made of high-quality chloroprene rubber, which has the effects of acid and alkali resistance, wear resistance, tensile resistance and tear resistance, and can withstand temperature changes in the range of -38 degrees Celsius to +90 degrees Celsius without cracking; and the special formula of materials can also withstand the erosion that may be caused by butter.

[0047] like Figure 4 As shown, the other end of the dust cover 6 is connected to a rubber sheath 7.

[0048] Specifically, the rubber sheath 7 is provided, and the material is the same as that of the dust cover 6, so that the connection between the wheel hub bearing 5 and the flange 8 is protected, thereby increasing the service life of the internal components.

[0049] like Figure 2 As shown, the other end of the hub bearing 5 is connected to a flange 8 , and a plurality of mounting holes 11 are formed on the flange 8 .

[0050] Specifically, through the multiple mounting holes 11, it is threadedly connected to the connection of the flange 8 through hexagon socket screws, so as to be connected and fixed.

[0051] like Figure 2 As shown, a retaining frame 9 is connected to the flange 8.

[0052] Specifically, the retaining frame 9 is provided to keep the rolling elements at an appropriate interval, avoid contact between them, reduce friction, and evenly disperse the rolling elements.

[0053] like Figure 2 As shown, a star sleeve 10 is connected to the retaining frame 9 .

[0054] Specifically, the star-shaped sleeve 10 is provided and connected with a rolling body so as to be rollingly connected with the retaining frame 9, so that the rolling body can be normally guided in the no-load area to avoid damaging sliding.

[0055] like Figure 3 As shown, a gear 12 is connected to the spline shaft 2.

[0056] Specifically, by providing the gear 12, it can be connected with the next half-axle bracket to form a complete bracket.

[0057] The working principle of the utility model is as follows: through the set ball cage assembly 3, and the universal characteristics of the ball cage, the power is transmitted from the transmission shaft 1 to the hub shaft head, which can drive the tire to move forward or backward. Through the set dust cover 6, it has the effects of acid and alkali resistance, wear resistance, tension resistance, and tear resistance, and can withstand temperature changes in the range of minus 38 degrees Celsius to plus 90 degrees Celsius without cracking; and the special formula materials can also withstand the erosion that may be caused by butter. Through the set rubber sleeve 7, the connection between the hub bearing 5 and the flange 8 is protected to increase the service life of the internal parts. Through the set star sleeve 10, it is connected with the retaining frame 9 in a rolling manner, so that the rolling bodies maintain a suitable interval, avoid contact with each other, reduce friction, and evenly disperse the rolling bodies. The rolling bodies can be normally guided in the no-load area to avoid damaging sliding.

[0058] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-strength half-axle bracket for new energy vehicles, characterized in that: include: Transmission shaft (1), spline shaft (2), ball cage assembly (3), elastic coupling (4), wheel hub bearing (5); The spline shaft (2) is connected to one side of the transmission shaft (1); The ball cage assembly (3) is connected to the other side of the transmission shaft (1); The elastic coupling (4) is connected to the ball cage assembly (3); The wheel hub bearing (5) is connected to the elastic coupling (4).

2. A high-strength half-axle bracket for new energy vehicles according to claim 1, characterized in that: The wheel hub bearing (5) is sleeved with a dust cover (6).

3. A high-strength half-axle bracket for new energy vehicles according to claim 2, characterized in that: The other end of the dust cover (6) is connected to a rubber sheath (7).

4. A high-strength half-axle bracket for new energy vehicles according to claim 3, characterized in that: The other end of the wheel hub bearing (5) is connected to a flange (8), and a plurality of mounting holes (11) are provided on the flange (8).

5. A high-strength half-axle bracket for new energy vehicles according to claim 4, characterized in that: The flange (8) is connected to a retaining frame (9).

6. A high-strength half-axle bracket for new energy vehicles according to claim 5, characterized in that: The retaining frame (9) is connected with a star-shaped sleeve (10).

7. A high-strength half-axle bracket for new energy vehicles according to claim 1, characterized in that: The spline shaft (2) is connected to a gear (12).

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